Lecture 6

Question 1

-o

Answer 1

destination of output

Question 2

-c

Answer 2

creates an object file

Question 3

-Wall

Answer 3

Enables all warnings about “questionable” constructions: eliminate potential sources of bugs before even running your program

Question 4

-Werror

Answer 4

Recommend for final submissions: turns all warnings into errors
forcing you to fix questionable code.

Question 5

-std=

Answer 5

Selects a specific C standard

Question 6

-pedantic

Answer 6

Issue all the warnings demanded by strict C standard

Question 7

-g

Answer 7

Generate a “debugging section” in the executable object that includes information like source filenames, and C statement to machine code mappings

Question 8

CC

Answer 8

C compiler

Question 9

CFLAGS

Answer 9

C flags

Question 10

CPPFLAGS

Answer 10

C preprocessor flags

Question 11

LDFLAGS

Answer 11

linker flags

Question 12

step

Answer 12

single step

Question 13

next

Answer 13

step to next line (could jump over one line loops, function calls, etc.)

Question 14

info break

Answer 14

list breakpoints and information about them

Question 15

clear line-or-function-name

Answer 15

clears the breakpoint at some line or function

Question 16

delete breakpoints

Answer 16

delete all breakpoints

Question 17

info locals

Answer 17

list local variables

Question 18

set var x=4

Answer 18

set a variable x to 4

Question 19

bt

Answer 19

print a stacktrace (backtrace); useful when debugging programs with many functions